TY  - BOOK
AU  - Leech,Jonathan
TI  - Two papers: H-coextensions of monoids; and, The structure of a band of groups 
T2  - Memoirs of the American Mathematical Society
AV  - QA169 .L44 1975
PY  - 1975///]
CY  - Providence, Rhode Island
PB  - American Mathematical Society
KW  - Monoids
KW  - Semigroups
KW  - Group extensions (Mathematics)
KW  - Electronic books
N1  - Includes bibliographical references
UR  - https://ebookcentral.proquest.com/lib/bacm-ebooks/detail.action?docID=3113481
ER  -